Here is the "cliff notes" I found. I actually enjoyed it a lot. It's about all of "Seth" I can take.
Seth Quotes Chap.18
As far as that bit about Christ not being crucified. The energy of those words seems very odd to me. After reading this incredible link
Are You Seeking the Light or Just Dancing with the Dark?* A Guide to Spiritual Discernment by Peter Newton...
I'm not convinced now that just because they are "spirit" they know everything.
I personally find that part about "Christ not being crucified" bogus. His energy and knowledge seems to be that of a physical person, therefore I regard those thoughts as I would any man/womans....an opinion.